Windows 98, ME, 2000, Xp & Xp pro SP1. file have been scan for Virus by 2 programs updated daily Fix-it Vr 5 & Norton Antvius all clear all so have not added anything to this file cam off the AxisPad FX. made it so other who may have lost their Cd or it was damage in any shape or form. love it live action mostly got it for the Delta Force-Serials. now i have to lookup a items to make it use key-broad to the gamepad i'll be set.